"So if one drops out, in a normal show for example, rather than fly in a formation that would look odd with eight of the nine aircraft in it, like a diamond, it is better to take two out and fly a smaller but still symmetrical shape".

Flt Lt Sean Cunningham, 35, was killed on 8 November when he was ejected from his plane while on the ground at RAF Scampton.

The accident came less than three months after Flt Lt Jon Egging, 33, was killed at the end an air show in Dorset.

BBC links

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